Ultra-light magnesium-lithium alloy foil coil with a thickness of only 0.014 mm was successfully prepared by the roll method. This is the first time such a thin magnesium alloy foil has been prepared in China and the world.

As the world's lightest metal structural material, magnesium-lithium alloy has many unique features such as ultra-low density, high specific strength, high specific stiffness, outstanding shock absorption performance and excellent electromagnetic shielding performance compared to other aluminum alloys and magnesium alloys. The advantage is that it is an ideal weight-reducing material for aerospace and weaponry. It also has the functions of shock absorption and noise reduction, shielding electromagnetic interference, etc., so that the mobility, accuracy, safety and comfort of spacecraft and weaponry are greatly improved. improve.